User Manual
Table Of Contents
- 1GENERAL
- 1.1Introduction
- 1.2Performance Specification
- 2THEORY OF OPERATION
- 2.1Amplifier Operation
- 2.2Power Requirements
- 2.3RF Circuitry
- 2.3.1UT-3/400 Lowpass Filter
- 2.4Power Control Circuitry
- 2.5Power Sensing Circuitry
- 2.5.1Output Power Sense
- 2.5.2VSWR Sense
- 2.5.3VSWR Overload
- 3UT-3/400 AMPLIFIER ALIGNMENT
- 3.1General
- 3.2Repair Note
- 3.3Recommended Test Equipment List
- 3.4Printed Circuitboard Numbering Convention
- 3.5Standard Factory Settings and Jumper Configuration
- 3.6UT-3/400 AmplifierAlignment
- 3.6.1General
- 3.6.2UT-3/400 Amplifier Adjustment
- 3.6.2.1General Set-Up
- 3.6.2.2Output Power Alarm (Forward Power)
- 3.6.2.3Output Power
- 3.6.2.4Antenna VSWR Alarm (Reverse Power)
- 3.6.2.5Antenna VSWR Overload
- 3.6.2.6Procedure Verification
- 4ILLUSTRATIONS AND SCHEMATIC DIAGRAMS
- 4.1UT-3/400 UHF Amplifier Component Layout
- 4.2UT-3/400 UHF Amplifier Schematic Diagram
- 4.3UT-3/400 UHF Lowpass Filter Component Layout
- 4.4UT-3/400 UHF Lowpass Filter Schematic Diagram
- 5PARTS LISTS
- 5.1UT-3 / UT4 UHF Amplifier Electrical Parts List
- 5.2UT-3/400 UHF Amplifier Mechanical Parts List
- 5.3UT-3/400 UHF Low Pass Filter Electrical Parts List
- 6REVISION HISTORY
DE
DANIELS
ELECTRONICS
5-4
UHF Amplifier Instruction Manual UT-3 406 - 512 MHz
5.2
UT-3/400 UHF
Amplifier Mechanical Parts List
Description Part No. Qty.
CAP
SCREW,
8-32 X
1/4,
HEX
BUTTON
- 9/64 5806-832BH04S 1 (0.5 - 2.0 Watts)
CASE,
MT-3 VHF/UHF
AMPLIFIER,
ALUMINUM
3702-66102130 1
HEATSHRINK, 1/8" DIA, RED, 1" LENGTH CONSUMABLE 1 (2.0 - 8.0 Watts)
INSULATOR, THERM. COND. TO-220 5622-1T220701 1
LABEL, IDENTIFICATION/TEST, FOIL CONSUMABLE 1
LID, CASE MT-3
AMPLIFIER,
ALUMINUM
3702-66102151 1
SCREW,
M2 X 6,
PAN/PHIL.,
A2 5812
-2M0PP06S
2
SCREW,
M2 X 4,
PAN/PHIL.,
A2
5812-2M0PP04S
10
SCREW,
M2.5
X 6,
PAN/PHIL.,
A2
5812-2M5PP06S
3
SCREW,
M3 X 6,
FLAT/PHIL.,
A2
5812-3M0FP06S
4
SCREW,
M3 X 8,
PAN/PHIL.,
A2
5812-3M0PP08S
9
SCREW,
M3 X 8,
CAP
SOCK-M2.5 5816-3M0SH08S 4 (0.5 - 2.0 Watts)
SCREW,
M3 X 8,
CAP
SOCK-M2.5 5816-3M0SH08S 6 (2.0 - 8.0 Watts)
SET
SCREW,
M3 X 3, HEX
SOCKET,
A2 5817-3M0AC03S 1
SHOULDER WASHER, M3 0.24" OD, NYLON 5674-120N2440 1
TURRET TERMINAL, 4-40
0.188L,
Tn 5053-144M188T 1
WIRE, PVC/STRANDED 16AWG, RED, 70 mm 7110-16S26302 1 (2.0 - 8.0 Watts)
5.3 UT-3/400 UHF Low Pass Filter Electrical Parts List
Ref
Desig Description Part No.
C1
CAP.,
SM,
7.5pF
PORCEL,
±0.25
pF 1036-0B2759C5
C2-C4
CAP.,
SM,
15pF
PORCEL,
±5%,
500V 1036-1B2150J5
C5
CAP.,
SM,
7.5pF
PORCEL,
±0.25
pF 1036-0B2759C5
L1 - L4 COIL, 2 TURNS 16 AWG BELD, 4.0 mm ID 1220-2T001622
PCB
PCB,
LPF,
VT-3/150 & UT-3/400 4321-16931712